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TRIBOLOGY

“TRIBOLOGY” is a valid word.

15 Scrabble points
17 Words with Friends
9 letters

Definition

noun

  1. the branch of engineering that deals with the interaction of surfaces in relative motion (as in bearings or gears): their design and friction and wear and lubrication

< 9-letter words: TRIBOLOGY

7-letter words 4

6-letter words 3